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Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, 2004, Number 3, Pages 53–62 (Mi basm178)  
This article is cited in 1 scientific paper (total in 1 paper)

Research articles

Stability and fold bifurcation in a system of two coupled demand-supply models

Mihaela Sterpu, Carmen Rocşoreanu

University of Craiova, Departament of Mathematics and Computer Science, Craiova, Romania
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Abstract: A model of two coupled demand-supply systems, depending on 4 parameters is considered. We found that the dynamical system associated with this model may have at most two symmetric and at most two nonsymmetric equilibria as the parameters vary.
The topological type of equilibria is established and the locus in the parameter space of the values corresponding to nonhyperbolic equilibria is determined.
We found that the nonhyperbolic singularities can be of fold, Hopf, double-zero (Bogdanov–Takens) or fold-Hopf type.
In addition, the fold bifurcation is studied using the normal form method and the center manifold theory.
Keywords and phrases: Coupled dynamical systems, normal form, fold bifurcation, center manifold.
Received: 22.11.2004
Bibliographic databases:
Document Type: Article
MSC: 37G10, 37L10
Language: English
Citation: Mihaela Sterpu, Carmen Rocşoreanu, “Stability and fold bifurcation in a system of two coupled demand-supply models”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2004, no. 3, 53–62
Citation in format AMSBIB
\Bibitem{SteRoc04}
\by Mihaela~Sterpu, Carmen~Roc{\c s}oreanu
\paper Stability and fold bifurcation in a~system of two coupled demand-supply models
\jour Bul. Acad. \c Stiin\c te Repub. Mold. Mat.
\yr 2004
\issue 3
\pages 53--62
\mathnet{http://mi.mathnet.ru/basm178}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=2148009}
\zmath{https://zbmath.org/?q=an:1134.91510}
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    • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
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